Question about 1999 Ford Crown Victoria
DE CODE PO420 CAME BACK EVERY 2-5 DAYS
Disconnect your battery for five minutes. That will reset your computer. When the problem happens again, take your car to Auto Zone or Advanced Auto. They have a code reader and will tell you what the problem is. This is a free service. Good luck
Posted on Aug 09, 2008
a 6ya Mechanic can help you resolve that issue over the phone in a minute or two.
Best thing about this new service is that you are never placed on hold and get to talk to real repair professionals here in the US.
click here to Talk to a Mechanic (only for users in the US for now) and get all the help you need.
Posted on Jan 02, 2017
Tips for a great answer:
Dec 19, 2015 | 1997 Ford Crown Victoria
Oct 01, 2014 | 1994 Ford Crown Victoria
Nov 22, 2017 | 1996 Ford Crown Victoria
May 22, 2012 | Ford Crown Victoria Cars & Trucks
Aug 19, 2010 | 1989 Ford Crown Victoria
Jul 06, 2010 | 1987 Ford Crown Victoria
May 29, 2010 | 1989 Ford Crown Victoria
Aug 01, 2009 | 2004 Ford Crown Victoria
Jul 06, 2009 | 1998 Ford Crown Victoria
246 people viewed this question
Usually answered in minutes!
Step 2: Please assign your manual to a product: